yas tv atma-ratir eva syad
yaḥ—one who; tu—but; ātma-ratiḥ—takes pleasure; eva—certainly; syāt—remains; ātma-tṛptaḥ—self-illuminated; ca—and; mānavaḥ—a man; ātmani—in himself; eva—only; ca—and; santuṣṭaḥ—perfectly satiated; tasya—his; kāryam—duty; na—does not; vidyate—exist.
One who is, however, taking pleasure in the self, who is illumined in the self, who rejoices in and is satisfied with the self only, fully satiated-for him there is no duty.